Septic Shock - Definition, Causes, Symptoms and Treatment

Septic shock is a serious medical condition. Duringendotoxins which trigger the release of
septic shock, the body tissues and organs do notinflammatory mediators which causes vasodilation
get enough blood and oxygen. Septic shock mayand increase in capillary permeability leading to
progress to cause "adult respiratory distressshock.
syndrome," in which fluid collects in the lungs, andSeptic shock is a medical emergency. Prompt
breathing becomes very shallow and labored.treatment of bacterial infections is helpful. Septic
Septic shock occurs most often in the very oldshock is treated initially with a combination of
and the very young. It also occurs in people whoantibiotics and fluid replacement. Treatment
have other illnesses. Serious bacterial infections atprimarily consists of antimicrobial chemotherapy,
any body site, with or without bacteremia, usuallyremoval of the source of infection, and
are associated with important changes in thehaemodynamic, respiratory, and metabolic
function of every organ system in the body.support. Coagulation and hemorrhage may be
Septic shock can lead to multiple organ failuretreated with transfusions of plasma or platelets.
including respiratory failure, and may cause rapidDopamine may be given to increase blood
death. Toxic shock syndrome is one type ofpressure further if necessary. High doses of
septic shock. Septic shock is usually preceded byintravenous antibiotics are given as soon as blood
bacteremia, which is marked by fever, malaise,samples have been taken for laboratory cultures.
chills, and nausea. The first sign of shock is oftenSurgery may be performed to remove any dead
confusion and decreased consciousness.tissue, such as gangrenous tissue of the intestine.
Bacteremia may be primary (without anDespite all efforts, more than 25% of people with
identifiable focus of infection) or, more often,septic shock die. Corticosteroid therapy appears
secondary (with an intravascular or extravascularbeneficial. Treatment is with replacement, rather
focus of infection).than pharmacologic, doses. Scrupulous aseptic
Septic shock occurs more often in neonates,technique on the part of medical professionals
patients > 35 yr, and pregnant women. Septiclowers the risk of introducing bacteria into the
shock is severe sepsis with organ hypoperfusionbloodstream.
and hypotension that are poorly responsive toTreatment for Septic Shock Tips
initial fluid resuscitation. The condition develops as1. Antimicrobial chemotherapy, removal of the
a response to certain microbial molecules whichsource of infection, and haemodynamic,
trigger the production and release of cellularrespiratory, and metabolic support.
mediators, such as tumor necrosis factors. Toxic2. Corticosteroids, especially if combined with a
shock syndrome most often occurs inmineralocorticoid, can reduce mortality among
menstruating women using highly absorbentpatients.
tampons. It occurs in about 40% of patients with3. Activated protein C can reduce mortality in
gram-negative bacteremia and in about 20% ofpatients with multi-organ failure.
patients with Staphylococcus aureus bacteremia.4. Coagulation and hemorrhage may be treated
Hyperventilation with respiratory alkalosis occurswith transfusions of plasma or platelets.
early, in part as compensation for lactic acidemia.5. Dopamine may be given to increase blood
Serum HCO3 is usually low, and serum and bloodpressure further if necessary.
lactate increase. One of the major causes of the6. Surgery may be performed to remove any
condition leading to septic shock is infection bydead tissue, such as gangrenous tissue of the
gram negative organism. The cell walls containintestine.